218917888

素因数分解:

$2^{10}\times 7^2\times {\mathrm{4363}}^1$

素因数の和:4397

約数の個数: 66

約数和(自身を含む): 509187156

約数和(自身を除く): 290269268

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 4363, 6272, 7168, 8726, 12544, 17452, 25088, 30541, 34904, 50176, 61082, 69808, 122164, 139616, 213787, 244328, 279232, 427574, 488656, 558464, 855148, 977312, 1116928, 1710296, 1954624, 2233856, 3420592, 3909248, 4467712, 6841184, 7818496, 13682368, 15636992, 27364736, 31273984, 54729472, 109458944, 218917888]

約数ペア:

[(1, 218917888), (2, 109458944), (4, 54729472), (7, 31273984), (8, 27364736), (14, 15636992), (16, 13682368), (28, 7818496), (32, 6841184), (49, 4467712), (56, 3909248), (64, 3420592), (98, 2233856), (112, 1954624), (128, 1710296), (196, 1116928), (224, 977312), (256, 855148), (392, 558464), (448, 488656), (512, 427574), (784, 279232), (896, 244328), (1024, 213787), (1568, 139616), (1792, 122164), (3136, 69808), (3584, 61082), (4363, 50176), (6272, 34904), (7168, 30541), (8726, 25088), (12544, 17452)]